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Manufacturing of the Wall Bracket Bicycle
Sikora, Marek ; Císařová, Michaela (referee) ; Peterková, Eva (advisor)
This master’s thesis presents a proposal for the technology of manufacturing sheet metal part, which is a part of a bicycle wall bracket. The component is made of steel sheet ČSN 11 325 with subsequent surface treatment by galvanizing. Due to the chosen method of manufacturing with a progressive stamping die, the research part is focused on the technology of shearing and bending. Technological calculations were performed for the most suitable production variant, on the basis of which a mechanical press ANDRITZ Metals with the designation KSTU 2000-20-4G-PSE was chosen. Furthermore, the design of the tool itself is presented, which is substantiated by drawing documentation. At the end of the work, a technical and economic evaluation of the produced series of 300 000 workpieces per year is calculated.
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The suggestion of shaped hollow cup technology
Fabík, Pavel ; Šlais, Miroslav (referee) ; Císařová, Michaela (advisor)
The project developed in the master's degree in M2-P, proposes a technology of hollow metal components DX53D+Z275N+NC with holes sheet metal forming. For batch production 225 000 units per year, on the basis of literary study problems of production of components there is designed a new way of producing components for progressive tools and it is compared with current production of simple tools. A progressive tool has 12 steps and combines them in cutting, drawing and extrusion. The tool is mounted in the hydraulic press KAISER KSTU2500 with a maximum force of 2500 kN. Simulations were performed for the campaign in the PAM-STAMP 2G 2011.
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Production of carpentry joints
Kliš, Vojtěch ; Žák, Ladislav (referee) ; Lidmila, Zdeněk (advisor)
The thesis deals with the design of the technology for the production of the galvanized sheet. It is a carpentry joint that serves for joining wooden structures. The work is focused on metal forming, namely cutting technology. Based on the production series of 30,000 pieces/year, the shape and dimensions of the part, the method of shearing was chosen for production. Furthermore, the necessary technological calculations were performed. The tool consists of standardized components that have been selected based on the standards. For production was chosen eccentric press S 160 E from the company Šmeral Brno a.s. The price of one component is CZK 9.
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Production of the "Pant" component
Šidlák, Jaromír ; Lidmila, Zdeněk (referee) ; Žák, Ladislav (advisor)
The thesis presents a proposal for manufacturing a basic hinge body. Together with the base, it forms an assembly that can be used, for example, in letter boxes or switchboards. The component is made of 3 mm DC01-A-m steel and has an annual production run of 10,000 pieces. The part has a galvanic zinc surface treatment. After considering possible production technologies, production in a progressive shear tool was chosen. The production process was designed to produce the hinge from steel sheets cut into strips. Based on the calculations, a suitable cutting plan was then chosen and the necessary pressing force and labour was calculated. The LEN 63 C press from the manufacturer ŠMERAL Trnava was chosen for the production. The thesis also includes designing the progressive tool, which was based on the necessary calculations. The tool itself was designed mainly from standardized parts. An economic evaluation of the design was also made. It determined the required quantity of material per production batch and the selling price of the basic hinge body, which is CZK 11.9 per piece.
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On the coating of shearing cemented carbide tools
Nováková, Radana ; Šurda, Adam (referee) ; Píška, Miroslav (advisor)
Tato diplomová práce se zabývá problematikou PVD povlakování střižných nástrojů ze slinutých karbidů, se zaměřením na zvýšení životnosti postupových nástrojů. Především poukazuje na využití povlakovaných nástrojů v praxi a procesních kroků před a po procesu povlakování. V teoretické části jsou popsány obě základní metody povlakování, tj. fyzikální metoda PVD a metoda CVD, založena na chemickém procesu. Dále jsou představeny jednotlivé způsoby vlastních procesů povlakování se stručným popisem výhod i nevýhod jejich využití. Praktická část je zaměřena na testování, jehož podstatou byl nejen vhodný výběr samotného povlaku pro daný materiál, ale i úpravy před a po povlakování, které jsou často opomínány. Ty jsou však nezbytnou součástí a mají výrazný vliv nejen na výsledný povlak, ale i na kvalitu pracovního procesu. Vyhodnocením experimentu je souhra určení nejproduktivnějšího povlaku v závislosti na dané úpravě.
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Proposal of production technology of uni-axial rod
Zejda, Václav ; Peterková, Eva (referee) ; Řiháček, Jan (advisor)
The thesis is focused on the proposal of production of a stamped part of the uni-axial rod located in the axle of the truck. The uni-axial rod is made of materiál S420MC with thicknes of 4 mm and the planned series production is 84 000 pieces per year for 7 years. The most difficult point for production is a collar, which create support of the bushing. It is not posibble to produce a required height with conventional one-stage process, which was experimentally verified. In the programm PAM-STAMP there was designed multiple-stage process of the production with the use of numerical simulation. The progressive die was designed for this process of the production. Maximal load of a forming press is 5 057 kN. Production will be located on the forming press Kaiser 8000-50-F5-RKM by ANDRITZ Metals. Maximum force of the forming press is 8 000 kN.
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Production of rack moulding
Repatý, Michal ; Podaný, Kamil (referee) ; Žák, Ladislav (advisor)
The paper evaluates technological, economic and construction aspects of the component production and the design of the tool serving for large-scale production of the S355MC steel rack component. Use of a progressive tool combining cutting and bending operations in four steps has been decided as the most appropriate according to literature study. Based on the need of production of two plane-symmetrical pieces at a time, the tool will produce both pieces simultaneously, which is economically advantageous. The tool is designed for use on the Arisa 630t mechanical press. Material will be winded off the roll, flattened and pushed into the tool by a precision feeder. The total cost of production of the component was set at 18.80 CZK.
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Construction and shearing tool production
Šincl, Josef ; Žák, Ladislav (referee) ; Štroner, Marek (advisor)
The bachelor work describes construction and production of the progressive tools, which is used for production of lugs for car Škoda Octavia combi. The lugs are made from material number 1.0396. There were elaborated research from the field of shearing and bending. These technologies were used for production of desired part. In the instrument are made both left and right parts, which are mirror. There are also solved different difficulties in the construction. The instrument should have life cycle 3 000 000 of produced parts. The instrument is used in the 160 tons eccentric press of brand Dirinler, model CDCS P81. To the eccentric press is connected automatic straightener and dispenser, so that there is not necessity of service. The instrument is given yet and is involved in the full operation.
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Manufacturing of slider
Chládek, Martin ; Havliš, Stanislav (referee) ; Podaný, Kamil (advisor)
Slider is a part of turn restrictor mechanism designed by company TOKOZ a.s. It is a part with complicated form and small dimensions from material DC04 (equivalent according to Czech standard ČSN 11 305.21). As the most suitable option for part manufacturing was chosen cutting and bending in progressive die. A design of forming layout with 11 stations was made and considering the outcomes of related calculations preliminarily selected presses LEXN 100 and Kaiser KSTU 1600. Subsequently was designed one row progressive die. Based on this designs were made few variants of part price calculations according to TOKOZ company customs. According to price calculation outcomes was as the most suitable selected press Kaiser KSTU 1600.
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Production of component the Cage ECR 10 12
Jílek, Josef ; Heinl, Tomáš (referee) ; Žák, Ladislav (advisor)
The thesis focuses on the production concept of component Cage ECR 10 12, which is used as assembly element together with a nut during the bus production. Sheet metal part is made from 11 321 steel 1,5 mm thick in production 10 000 parts per year. Technology of production in progressive tool was selected based on literature study. Progressive tool combines technology of shearing and bending. Tool was designed after the technological calculations. Forming machine was selected after the stamping force calculation. Eccentric press LEN 63 C with 630 kN forming force was selected for production.
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